Alert archive / North Carolina / Flash Flood Warnings in 2016

Flash Flood Warning 21, NWS Greenville-Spartanburg, SC

September 26, 2016Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Sep 26, 2016, 6:20 AM EDT for Mecklenburg County, North Carolina. It was in force for 3 hr. 6 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 26, 2016, 6:20 AM EDT (10:20 UTC)
Expired
Sep 26, 2016, 9:15 AM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Flood severity
None

County Mecklenburg County, NC

The radar

The Greer radar (KGSP), 127 km from the middle of the area, began a volume at 10:23 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Sep 26, 7:05 AM EDTFLASH FLOOD4 Nne Charlotte, NCUSGS GAGE ON LITTLE SUGAR CREEK AT 36TH ST PASSED FLOOD STAGE OF 11 FT.
Sep 26, 7:06 AM EDTFLASH FLOOD4 Nne Charlotte, NCLITTLE SUGAR CREEK AT 36TH STREET ROSE ABOVE THE FLOOD STAGE OF 11 FEET AT 706 AM THEN CRESTED AT 12.48 FEET AT 810 AM. THE CREEK HAS NOW DROPPED TO 11.12 FEET AT 9 AM AND CONTINUING TO FALL.
Sep 26, 7:40 AM EDTFLASH FLOOD3 Nw Charlotte, NCFREEDOM DRIVE NEAR MOREHEAD STREET WAS FLOODED DUE TO STEWART CREEK.
Sep 26, 7:40 AM EDTFLASH FLOOD4 Nne Charlotte, NCMEDIA REPORTED NORTH TRYON IS CLOSED AT ATANDO AVE DUE TO FLOODING OF LITTLE SUGAR CREEK.
Sep 26, 8:00 AM EDTFLASH FLOOD3 Nw Charlotte, NCSTEWART CREEK AT WEST MOREHEAD STREET ROSE ABOVE THE FLOOD STAGE OF 14 FEET AT 8 AM THEN CRESTED AT 14.07 FEET AT 820 AM. THE CREEK FELL BELOW FLOOD STAGE AT 837 AM AND CONTINUING TO FALL.
Sep 26, 8:00 AM EDTFLASH FLOOD3 Nw Charlotte, NCSTEWART CREEK GAGE AT WEST MOREHEAD STREET PASSED FLOOD STAGE OF 14 FT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 10.3 hours before the alert went out and 125 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 2016-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 64 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2016-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
64 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
513 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

776 
WGUS52 KGSP 261020
FFWGSP
NCC119-261315-
/O.NEW.KGSP.FF.W.0021.160926T1020Z-160926T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
620 AM EDT MON SEP 26 2016

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH
  CAROLINA...

* UNTIL 915 AM EDT

* AT 618 AM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA.  UP TO THREE INCHES OF RAIN
  HAVE FALLEN SINCE 330 AM. FLASH FLOODING IS LIKELY OCCURRING OR
  WILL BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  UPTOWN CHARLOTTE...CENTRAL CHARLOTTE...NORTHWEST CHARLOTTE...
  FREEDOM PARK...CHARLOTTE DOUGLAS AIRPORT...THE PLAZA...
  HIDDEN VALLEY...PAW CREEK AND CROFT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
WATER-COVERED ROADWAYS...BRIDGES...OR LOW-LEVEL CROSSINGS. ONLY A FEW
INCHES OF RAPIDLY FLOWING WATER CAN CARRY AWAY YOUR VEHICLE. IT IS
NOT WORTH THE RISK. PLEASE TURN AROUND...DON'T DROWN.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING IN URBAN
AREAS. STORM DRAINS...STREAMS AND OTHER DRAINAGES WILL BECOME
OVERWHELMED BY EXCESSIVE RAINFALL...FLOODING LOW-LYING ROADS...
INTERSECTIONS...AND PARKING LOTS. UNDERPASSES ARE ESPECIALLY
DANGEROUS BECAUSE SUDDEN FLOOD WATERS CAN QUICKLY SURROUND AND
SUBMERGE YOUR VEHICLE. STAY ALERT AND AVOID FLOOD-PRONE AREAS.

WHEN IT IS SAFE TO DO SO...PLEASE REPORT FLOOD WATERS OR LANDSLIDES
FLOWING OVER ROADS OR THREATENING PROPERTY TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...1...800...2 6 7...8 1 0 1...BY
POSTING ON OUR FACEBOOK PAGE...OR VIA TWITTER USING HASHTAG NWSGSP.
YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND THE SPECIFIC LOCATION
WHERE IT OCCURRED...INCLUDING ROADWAYS...NEARBY CROSS
STREETS...STREAM NAMES AND OTHER LANDMARKS.

&&

LAT...LON 3516 8075 3516 8100 3532 8099 3533 8098
      3534 8099 3535 8097 3535 8096 3536 8092
      3537 8095 3538 8096 3536 8098 3538 8099
      3538 8098 3539 8096 3540 8077

$$

ARK
3 follow-up statements
141 
WGUS72 KGSP 261042
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
642 AM EDT MON SEP 26 2016

NCC119-261315-
/O.CON.KGSP.FF.W.0021.000000T0000Z-160926T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MECKLENBURG NC-
642 AM EDT MON SEP 26 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 AM EDT FOR
NORTHWESTERN MECKLENBURG COUNTY...

AT 637 AM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA.  A FEW GAUGES JUST NORTH OF
DOWNTOWN CHARLOTTE HAVE REPORTED 3 TO 3.5 INCHES OF RAIN SINCE
330 AM/PM. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
UPTOWN CHARLOTTE...CENTRAL CHARLOTTE...NORTHEAST CHARLOTTE...
NORTHWEST CHARLOTTE...FREEDOM PARK...CHARLOTTE DOUGLAS AIRPORT...THE
PLAZA...HIDDEN VALLEY...PAW CREEK AND CROFT.

SEVERAL CREEKS ARE RISING RAPIDLY...AND MAY BEGIN TO FLOOD SHORTLY.
SOME BASINS INCLUDE PAW CREEK...IRWIN CREEK...AND LITTLE SUGAR CREEK
ON THE NORTH AND WEST SIDE OF CHARLOTTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
WATER-COVERED ROADWAYS...BRIDGES...OR LOW-LEVEL CROSSINGS. ONLY A FEW
INCHES OF RAPIDLY FLOWING WATER CAN CARRY AWAY YOUR VEHICLE. IT IS
NOT WORTH THE RISK. PLEASE TURN AROUND...DON'T DROWN.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING IN URBAN
AREAS. STORM DRAINS...STREAMS AND OTHER DRAINAGES WILL BECOME
OVERWHELMED BY EXCESSIVE RAINFALL...FLOODING LOW-LYING ROADS...
INTERSECTIONS...AND PARKING LOTS. UNDERPASSES ARE ESPECIALLY
DANGEROUS BECAUSE SUDDEN FLOOD WATERS CAN QUICKLY SURROUND AND
SUBMERGE YOUR VEHICLE. STAY ALERT AND AVOID FLOOD-PRONE AREAS.

WHEN IT IS SAFE TO DO SO...PLEASE REPORT FLOOD WATERS OR LANDSLIDES
FLOWING OVER ROADS OR THREATENING PROPERTY TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...1...800...2 6 7...8 1 0 1...BY
POSTING ON OUR FACEBOOK PAGE...OR VIA TWITTER USING HASHTAG NWSGSP.
YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND THE SPECIFIC LOCATION
WHERE IT OCCURRED...INCLUDING ROADWAYS...NEARBY CROSS
STREETS...STREAM NAMES AND OTHER LANDMARKS.

&&

LAT...LON 3516 8075 3516 8100 3532 8099 3533 8098
      3534 8099 3535 8097 3535 8096 3536 8092
      3537 8095 3538 8096 3536 8098 3538 8099
      3538 8098 3539 8096 3540 8077

$$

ARK
809 
WGUS72 KGSP 261121
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
721 AM EDT MON SEP 26 2016

NCC119-261315-
/O.CON.KGSP.FF.W.0021.000000T0000Z-160926T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MECKLENBURG NC-
721 AM EDT MON SEP 26 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 AM EDT FOR
NORTHWESTERN MECKLENBURG COUNTY...

AT 717 AM EDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THAT HEAVY RAIN WAS FALLING OVER THE AREA. OVER 4 INCHES OF RAIN
HAVE FALLEN SINCE 330 AM/PM. FLASH FLOODING IS ALREADY OCCURRING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
UPTOWN CHARLOTTE...CENTRAL CHARLOTTE...NORTHEAST CHARLOTTE...
NORTHWEST CHARLOTTE...FREEDOM PARK...CHARLOTTE DOUGLAS AIRPORT...THE
PLAZA...HIDDEN VALLEY...PAW CREEK AND CROFT.

AT 705 AM EDT...THE LITTLE SUGAR CREEK GAUGE AT 36TH STREET REPORTED
A LEVEL OF 11 FEET AND WAS STILL RISING. THIS IS FLOOD STAGE...AND
CULLMAN AVENUE WILL FLOOD. GAUGES ON STEWART CREEK...IRWIN
CREEK...AND PAW CREEK WERE STILL RISING AND MAY START TO FLOOD IN
SPOTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
WATER-COVERED ROADWAYS...BRIDGES...OR LOW-LEVEL CROSSINGS. ONLY A FEW
INCHES OF RAPIDLY FLOWING WATER CAN CARRY AWAY YOUR VEHICLE. IT IS
NOT WORTH THE RISK. PLEASE TURN AROUND...DON'T DROWN.

WHEN IT IS SAFE TO DO SO...PLEASE REPORT FLOOD WATERS OR LANDSLIDES
FLOWING OVER ROADS OR THREATENING PROPERTY TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...1...800...2 6 7...8 1 0 1...BY
POSTING ON OUR FACEBOOK PAGE...OR VIA TWITTER USING HASHTAG NWSGSP.
YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND THE SPECIFIC LOCATION
WHERE IT OCCURRED...INCLUDING ROADWAYS...NEARBY CROSS
STREETS...STREAM NAMES AND OTHER LANDMARKS.

&&

LAT...LON 3516 8075 3516 8100 3532 8099 3533 8098
      3534 8099 3535 8097 3535 8096 3536 8092
      3537 8095 3538 8096 3536 8098 3538 8099
      3538 8098 3539 8096 3540 8077

$$

ARK
363 
WGUS72 KGSP 261231
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
831 AM EDT MON SEP 26 2016

NCC119-261315-
/O.CON.KGSP.FF.W.0021.000000T0000Z-160926T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MECKLENBURG NC-
831 AM EDT MON SEP 26 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 AM EDT FOR
NORTHWESTERN MECKLENBURG COUNTY...

AT 825 AM EDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THAT HEAVY RAIN WAS FALLING OVER THE AREA. THREE TO FIVE INCHES OF
RAIN HAVE FALLEN SINCE 330 AM. FLASH FLOODING IS ALREADY OCCURRING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
UPTOWN CHARLOTTE...CENTRAL CHARLOTTE...NORTHEAST CHARLOTTE...
NORTHWEST CHARLOTTE...FREEDOM PARK...CHARLOTTE DOUGLAS AIRPORT...THE
PLAZA...HIDDEN VALLEY...PAW CREEK AND CROFT.

AT 815 AM EDT...THE LITTLE SUGAR CREEK GAUGE AT 36TH STREET HAD
CRESTED AT A LEVEL OF 12.5 FEET. FLOOD STAGE IS 11 FEET...AND
CULLMAN AVENUE IS LIKELY FLOODED. STEWART CREEK AT WEST MOREHEAD
STREET REPORTED A LEVEL OF 14 FEET...WHICH IS FLOOD STAGE. NORTH
TRYON STREET...CRAIGHEAD ROAD...AND FREEDOM DRIVE ON THE NORTH
SIDE OF CHARLOTTE WERE FLOODED DUE TO FLOODING CREEKS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
WATER-COVERED ROADWAYS...BRIDGES...OR LOW-LEVEL CROSSINGS. ONLY A FEW
INCHES OF RAPIDLY FLOWING WATER CAN CARRY AWAY YOUR VEHICLE. IT IS
NOT WORTH THE RISK. PLEASE TURN AROUND...DON'T DROWN.

WHEN IT IS SAFE TO DO SO...PLEASE REPORT FLOOD WATERS OR LANDSLIDES
FLOWING OVER ROADS OR THREATENING PROPERTY TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...1...800...2 6 7...8 1 0 1...BY
POSTING ON OUR FACEBOOK PAGE...OR VIA TWITTER USING HASHTAG NWSGSP.
YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND THE SPECIFIC LOCATION
WHERE IT OCCURRED...INCLUDING ROADWAYS...NEARBY CROSS
STREETS...STREAM NAMES AND OTHER LANDMARKS.

&&

LAT...LON 3516 8075 3516 8100 3532 8099 3533 8098
      3534 8099 3535 8097 3535 8096 3536 8092
      3537 8095 3538 8096 3536 8098 3538 8099
      3538 8098 3539 8096 3540 8077

$$

ARK

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 26, 12:24 AM EDTSpecial Weather StatementGSPBurke36 min
Sep 26, 1:03 AM EDTAreal Flood AdvisoryGSPBurke, Catawba117 min
Sep 26, 5:05 AM EDTSpecial Weather StatementGSPMecklenburg25 min
Sep 26, 5:36 AM EDTAreal Flood AdvisoryGSPGaston, Lincoln, Mecklenburg114 min
Sep 26, 8:58 AM EDTAreal Flood AdvisoryGSPGaston2 hr
Sep 26, 9:12 AM EDTAreal Flood AdvisoryGSPMecklenburg108 min
Sep 26, 3:21 PM EDTSpecial Weather StatementGSPAvery24 min
Sep 26, 4:11 PM EDTSpecial Weather StatementGSPMadison34 min
Sep 26, 4:16 PM EDTSpecial Weather StatementGSPCaldwell29 min
Sep 26, 5:42 PM EDTSpecial Weather StatementGSPJackson33 min
Sep 26, 6:44 PM EDTSpecial Weather StatementGSPCleveland31 min
Sep 26, 7:47 PM EDTSpecial Weather StatementGSPLincoln28 min

Nearby

Flash Flood Warnings in North Carolina, 2016Every flash flood warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.